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Sensitization and Clinically Relevant Allergy to Hair Dyes and Clothes from Black Henna Tattoos: Do People Know the Risk? An Uncommon Serious Case and a Review of the Literature

research Sensitization and Clinically Relevant Allergy to Hair Dyes and Clothes from Black Henna Tattoos: Do People Know the Risk? An Uncommon Serious Case and a Review of the Literature

1 citations , July 2016 in “Cosmetics”

Black henna tattoos can cause severe allergies to hair and textile dyes, and there's a need for greater public awareness and regulation.

research Fiber-Safe Extraction of Red Mordant Dyes from Hair Fibers

21 citations , January 1995 in “Journal of the American Institute for Conservation”

A new method extracts red dyes from wool without damaging it, although it slightly weakens the wool.

research Pigmented Contact Dermatitis from Topical Minoxidil 5%

17 citations , April 2002 in “Contact Dermatitis”

Minoxidil 5% caused skin discoloration in a man using it for hair loss.

research Fiber-Safe Extraction of Red Mordant Dyes from Hair Fibers

13 citations , January 1995 in “Journal of the American Institute for Conservation”

Researchers developed a less damaging way to extract red dyes from wool using EDTA and DMF, preserving the fiber's strength for further analysis.

research Patterns of Sensitization and Cross-Reactivity in Hair Dye Allergy: An 18-Year Tertiary-Center Experience from Greece

February 2026 in “PubMed”

Most hair dye allergies are caused by para-phenylenediamine (PPD), and safer hair dye options are needed.

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community This is what some balding dudes are like

in Satire 1047 upvotes 1 year ago

Some people avoid finasteride due to side effects but engage in unhealthy habits. Minoxidil and finasteride are common hair loss treatments, with varied side effect experiences.

community risks with finasteride and dutasteride

in Research/Science 141 upvotes 7 months ago

Finasteride and dutasteride have potential risks, including post-finasteride syndrome, but are commonly used for hair loss. RU58841, minoxidil, and needling are suggested as alternatives, though all treatments carry risks.